cregit-Linux how code gets into the kernel

Release 4.14 arch/x86/include/uapi/asm/kvm.h

Directory: arch/x86/include/uapi/asm
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _ASM_X86_KVM_H

#define _ASM_X86_KVM_H

/*
 * KVM x86 specific structures and definitions
 *
 */

#include <linux/types.h>
#include <linux/ioctl.h>


#define KVM_PIO_PAGE_OFFSET 1

#define KVM_COALESCED_MMIO_PAGE_OFFSET 2


#define DE_VECTOR 0

#define DB_VECTOR 1

#define BP_VECTOR 3

#define OF_VECTOR 4

#define BR_VECTOR 5

#define UD_VECTOR 6

#define NM_VECTOR 7

#define DF_VECTOR 8

#define TS_VECTOR 10

#define NP_VECTOR 11

#define SS_VECTOR 12

#define GP_VECTOR 13

#define PF_VECTOR 14

#define MF_VECTOR 16

#define AC_VECTOR 17

#define MC_VECTOR 18

#define XM_VECTOR 19

#define VE_VECTOR 20

/* Select x86 specific features in <linux/kvm.h> */

#define __KVM_HAVE_PIT

#define __KVM_HAVE_IOAPIC

#define __KVM_HAVE_IRQ_LINE

#define __KVM_HAVE_MSI

#define __KVM_HAVE_USER_NMI

#define __KVM_HAVE_GUEST_DEBUG

#define __KVM_HAVE_MSIX

#define __KVM_HAVE_MCE

#define __KVM_HAVE_PIT_STATE2

#define __KVM_HAVE_XEN_HVM

#define __KVM_HAVE_VCPU_EVENTS

#define __KVM_HAVE_DEBUGREGS

#define __KVM_HAVE_XSAVE

#define __KVM_HAVE_XCRS

#define __KVM_HAVE_READONLY_MEM

/* Architectural interrupt line count. */

#define KVM_NR_INTERRUPTS 256


struct kvm_memory_alias {
	
__u32 slot;  /* this has a different namespace than memory slots */
	
__u32 flags;
	
__u64 guest_phys_addr;
	
__u64 memory_size;
	
__u64 target_phys_addr;
};

/* for KVM_GET_IRQCHIP and KVM_SET_IRQCHIP */

struct kvm_pic_state {
	
__u8 last_irr;	/* edge detection */
	
__u8 irr;		/* interrupt request register */
	
__u8 imr;		/* interrupt mask register */
	
__u8 isr;		/* interrupt service register */
	
__u8 priority_add;	/* highest irq priority */
	
__u8 irq_base;
	
__u8 read_reg_select;
	
__u8 poll;
	
__u8 special_mask;
	
__u8 init_state;
	
__u8 auto_eoi;
	
__u8 rotate_on_auto_eoi;
	
__u8 special_fully_nested_mode;
	
__u8 init4;		/* true if 4 byte init */
	
__u8 elcr;		/* PIIX edge/trigger selection */
	
__u8 elcr_mask;
};


#define KVM_IOAPIC_NUM_PINS  24

struct kvm_ioapic_state {
	
__u64 base_address;
	
__u32 ioregsel;
	
__u32 id;
	
__u32 irr;
	
__u32 pad;
	union {
		
__u64 bits;
		struct {
			
__u8 vector;
			
__u8 delivery_mode:3;
			
__u8 dest_mode:1;
			
__u8 delivery_status:1;
			
__u8 polarity:1;
			
__u8 remote_irr:1;
			
__u8 trig_mode:1;
			
__u8 mask:1;
			
__u8 reserve:7;
			
__u8 reserved[4];
			
__u8 dest_id;
		
} fields;
	
} redirtbl[KVM_IOAPIC_NUM_PINS];
};


#define KVM_IRQCHIP_PIC_MASTER   0

#define KVM_IRQCHIP_PIC_SLAVE    1

#define KVM_IRQCHIP_IOAPIC       2

#define KVM_NR_IRQCHIPS          3


#define KVM_RUN_X86_SMM		 (1 << 0)

/* for KVM_GET_REGS and KVM_SET_REGS */

struct kvm_regs {
	/* out (KVM_GET_REGS) / in (KVM_SET_REGS) */
	



__u64 rax, rbx, rcx, rdx;
	



__u64 rsi, rdi, rsp, rbp;
	



__u64 r8,  r9,  r10, r11;
	



__u64 r12, r13, r14, r15;
	

__u64 rip, rflags;
};

/* for KVM_GET_LAPIC and KVM_SET_LAPIC */

#define KVM_APIC_REG_SIZE 0x400

struct kvm_lapic_state {
	
char regs[KVM_APIC_REG_SIZE];
};


struct kvm_segment {
	
__u64 base;
	
__u32 limit;
	
__u16 selector;
	
__u8  type;
	






__u8  present, dpl, db, s, l, g, avl;
	
__u8  unusable;
	
__u8  padding;
};


struct kvm_dtable {
	
__u64 base;
	
__u16 limit;
	
__u16 padding[3];
};


/* for KVM_GET_SREGS and KVM_SET_SREGS */

struct kvm_sregs {
	/* out (KVM_GET_SREGS) / in (KVM_SET_SREGS) */
	





struct kvm_segment cs, ds, es, fs, gs, ss;
	

struct kvm_segment tr, ldt;
	

struct kvm_dtable gdt, idt;
	




__u64 cr0, cr2, cr3, cr4, cr8;
	
__u64 efer;
	
__u64 apic_base;
	
__u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64];
};

/* for KVM_GET_FPU and KVM_SET_FPU */

struct kvm_fpu {
	
__u8  fpr[8][16];
	
__u16 fcw;
	
__u16 fsw;
	
__u8  ftwx;  /* in fxsave format */
	
__u8  pad1;
	
__u16 last_opcode;
	
__u64 last_ip;
	
__u64 last_dp;
	
__u8  xmm[16][16];
	
__u32 mxcsr;
	
__u32 pad2;
};


struct kvm_msr_entry {
	
__u32 index;
	
__u32 reserved;
	
__u64 data;
};

/* for KVM_GET_MSRS and KVM_SET_MSRS */

struct kvm_msrs {
	
__u32 nmsrs; /* number of msrs in entries */
	
__u32 pad;

	
struct kvm_msr_entry entries[0];
};

/* for KVM_GET_MSR_INDEX_LIST */

struct kvm_msr_list {
	
__u32 nmsrs; /* number of msrs in entries */
	
__u32 indices[0];
};



struct kvm_cpuid_entry {
	
__u32 function;
	
__u32 eax;
	
__u32 ebx;
	
__u32 ecx;
	
__u32 edx;
	
__u32 padding;
};

/* for KVM_SET_CPUID */

struct kvm_cpuid {
	
__u32 nent;
	
__u32 padding;
	
struct kvm_cpuid_entry entries[0];
};


struct kvm_cpuid_entry2 {
	
__u32 function;
	
__u32 index;
	
__u32 flags;
	
__u32 eax;
	
__u32 ebx;
	
__u32 ecx;
	
__u32 edx;
	
__u32 padding[3];
};


#define KVM_CPUID_FLAG_SIGNIFCANT_INDEX		(1 << 0)

#define KVM_CPUID_FLAG_STATEFUL_FUNC		(1 << 1)

#define KVM_CPUID_FLAG_STATE_READ_NEXT		(1 << 2)

/* for KVM_SET_CPUID2 */

struct kvm_cpuid2 {
	
__u32 nent;
	
__u32 padding;
	
struct kvm_cpuid_entry2 entries[0];
};

/* for KVM_GET_PIT and KVM_SET_PIT */

struct kvm_pit_channel_state {
	
__u32 count; /* can be 65536 */
	
__u16 latched_count;
	
__u8 count_latched;
	
__u8 status_latched;
	
__u8 status;
	
__u8 read_state;
	
__u8 write_state;
	
__u8 write_latch;
	
__u8 rw_mode;
	
__u8 mode;
	
__u8 bcd;
	
__u8 gate;
	
__s64 count_load_time;
};


struct kvm_debug_exit_arch {
	
__u32 exception;
	
__u32 pad;
	
__u64 pc;
	
__u64 dr6;
	
__u64 dr7;
};


#define KVM_GUESTDBG_USE_SW_BP		0x00010000

#define KVM_GUESTDBG_USE_HW_BP		0x00020000

#define KVM_GUESTDBG_INJECT_DB		0x00040000

#define KVM_GUESTDBG_INJECT_BP		0x00080000

/* for KVM_SET_GUEST_DEBUG */

struct kvm_guest_debug_arch {
	
__u64 debugreg[8];
};


struct kvm_pit_state {
	
struct kvm_pit_channel_state channels[3];
};


#define KVM_PIT_FLAGS_HPET_LEGACY  0x00000001


struct kvm_pit_state2 {
	
struct kvm_pit_channel_state channels[3];
	
__u32 flags;
	
__u32 reserved[9];
};


struct kvm_reinject_control {
	
__u8 pit_reinject;
	
__u8 reserved[31];
};

/* When set in flags, include corresponding fields on KVM_SET_VCPU_EVENTS */

#define KVM_VCPUEVENT_VALID_NMI_PENDING	0x00000001

#define KVM_VCPUEVENT_VALID_SIPI_VECTOR	0x00000002

#define KVM_VCPUEVENT_VALID_SHADOW	0x00000004

#define KVM_VCPUEVENT_VALID_SMM		0x00000008

/* Interrupt shadow states */

#define KVM_X86_SHADOW_INT_MOV_SS	0x01

#define KVM_X86_SHADOW_INT_STI		0x02

/* for KVM_GET/SET_VCPU_EVENTS */

struct kvm_vcpu_events {
	struct {
		
__u8 injected;
		
__u8 nr;
		
__u8 has_error_code;
		
__u8 pad;
		
__u32 error_code;
	
} exception;
	struct {
		
__u8 injected;
		
__u8 nr;
		
__u8 soft;
		
__u8 shadow;
	
} interrupt;
	struct {
		
__u8 injected;
		
__u8 pending;
		
__u8 masked;
		
__u8 pad;
	
} nmi;
	
__u32 sipi_vector;
	
__u32 flags;
	struct {
		
__u8 smm;
		
__u8 pending;
		
__u8 smm_inside_nmi;
		
__u8 latched_init;
	
} smi;
	
__u32 reserved[9];
};

/* for KVM_GET/SET_DEBUGREGS */

struct kvm_debugregs {
	
__u64 db[4];
	
__u64 dr6;
	
__u64 dr7;
	
__u64 flags;
	
__u64 reserved[9];
};

/* for KVM_CAP_XSAVE */

struct kvm_xsave {
	
__u32 region[1024];
};


#define KVM_MAX_XCRS	16


struct kvm_xcr {
	
__u32 xcr;
	
__u32 reserved;
	
__u64 value;
};


struct kvm_xcrs {
	
__u32 nr_xcrs;
	
__u32 flags;
	
struct kvm_xcr xcrs[KVM_MAX_XCRS];
	
__u64 padding[16];
};

/* definition of registers in kvm_run */

struct kvm_sync_regs {
};


#define KVM_X86_QUIRK_LINT0_REENABLED	(1 << 0)

#define KVM_X86_QUIRK_CD_NW_CLEARED	(1 << 1)

#endif /* _ASM_X86_KVM_H */

Overall Contributors
PersonTokensPropCommitsCommitProp
Jerone Young47643.91%718.92%


Jan Kiszka17416.05%513.51%


Sheng Yang12111.16%38.11%


Xiao Guangrong635.81%25.41%


Dan Kenigsberg605.54%12.70%


Christian Ehrhardt524.80%12.70%


Paolo Bonzini363.32%38.11%


Beth Kon282.58%12.70%


Nadav Amit181.66%25.41%


Avi Kivity161.48%25.41%


Marcelo Tosatti141.29%12.70%


Christian Bornträger50.46%12.70%


Gleb Natapov40.37%12.70%


H. Peter Anvin30.28%12.70%


Ed Swierk30.28%12.70%


Huang Ying30.28%12.70%


Christoffer Dall30.28%12.70%


Borislav Petkov30.28%12.70%


Jaswinder Singh Rajput10.09%12.70%


Greg Kroah-Hartman10.09%12.70%


Total1084100.00%37100.00%


Directory: arch/x86/include/uapi/asm



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